On 10/08/12 09:18, Reindl Harald wrote: > and that is why i use /etc/udev/rules.d/70-persistent-net.rules to > pin device-name / MAC and no mac-address in ifconfig-scripts since > many years +1 Alternatively, with the biosdevname, you can pin the interface name to the pci(e) slot. That way its a trivial exercise to get 'remote hands' to swap out a dead nic -- no need to fiddle with the mac address. K -- Kahlil (Kal) Hodgson GPG: C9A02289 Head of Technology (m) +61 (0) 4 2573 0382 DealMax Pty Ltd (w) +61 (0) 3 9008 5281 Suite 1415 401 Docklands Drive Docklands VIC 3008 Australia "All parts should go together without forcing. You must remember that the parts you are reassembling were disassembled by you. Therefore, if you can't get them together again, there must be a reason. By all means, do not use a hammer." -- IBM maintenance manual, 1925